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CTEK develops and manufactures battery chargers for all types of lead-acid batteries for both private and professional use. CTEK's unparalleled innovation has enabled it to develop cutting-edge technology with several patented functions and properties that make CTEK battery chargers and accessories unique.

CTEK offers the market high-quality, reliable chargers and accessories that are effective, user friendly and, most importantly, safe (for the user, the vehicle electronics, the battery and the charger).


  • Auto: Fully automatic for optimal charging

    12V: For all lead-acid batteries

    Fully Charged Battery / Maintenance Charging

    COLD/AGM: Charging in cold conditions and AGM batteries

    RECOND: Recondition of deeply discharged batteries

    SUPPLY: Use the charger as a power supply



    Charger model : MXS 3.8 Rated Voltage :AC 220–240VAC, 50–60Hz

    Charging voltage : 14.4V, 14.7V Min battery voltage : 2.0V

    Charging current : 3.8A max Current, mains 0.65A rms (at full charging current)

    Back current drain* <1Ah/month Ripple** <4%

    Ambient temperature -20°C to +50°C, output power is reduced automatically at high temperatures

    Charger type 4-step, fully automatic charging cycle

    Battery types All types of 12V lead-acid batteries (WET, MF, Ca/Ca, AGM and GEL)

    Battery capacity 7–75Ah up to 120Ah for maintenance

    Dimensions 165 x 61 x 38mm (L x W x H)

    Insulation class IP65 Weight 0.6kg

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